# isErc6492Signature

Checks whether the signature is in [ERC-6492](https://eips.ethereum.org/EIPS/eip-6492) format.

## Import

```ts
import { isErc6492Signature } from 'viem/utils'
```

## Usage

```ts twoslash
import { isErc6492Signature } from 'viem/utils'

const result = isErc6492Signature('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')
```

## Returns

`boolean`

Whether the signature is in ERC-6492 format.

## Parameters

### signature

* **Type:** [`Hex`](/docs/glossary/types#hex)

The signature to check.